Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.20.1
UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)
$ in Thousands
Mar. 31, 2020
£ / shares
Mar. 31, 2020
USD ($)
shares
Dec. 31, 2019
£ / shares
Dec. 31, 2019
USD ($)
shares
CONSOLIDATED BALANCE SHEETS        
Property, plant and equipment, accumulated depreciation | $   $ 24,274   $ 23,649
Common stock, par value | £ / shares £ 0.001   £ 0.001  
Common stock, shares authorized   785,857,300   785,857,300
Common stock, shares issued   780,514,340   631,003,568
Common stock, shares outstanding   780,514,340   631,003,568